Book excerpt: Exploring the careers of some of Australia's best-known astronomers, this collection of interviews is a celebration of our curiosity about the universe. Through their own words, 18 leading scientists including Bart Bok, John Bolton, Chris Christiansen, Hanbury Brown, Bernard Mills and Paul Wild among others, reveal their own perceptions of their work at the moving frontiers of astronomy and allow us to glimpse the dedication and commitment that has produced their notable achievements. Their research has yielded new interpretations, discoveries and inventions of international significance, expanding our knowledge of the mysterious universe we live in.